Elliptical ejecta of asteroid Dimorphos is due to its surface curvature. - Hirabayashi M; Raducan SD; Sunshine JM; Farnham TL; Deshapriya JDP; Li JY; Tancredi G; Chesley SR; Daly RT; Ernst CM; Gai I; Hasselmann PH; et al. (Nature communications, 2025)